diff --git a/cmd/falloc/falloc.go b/cmd/falloc/falloc.go
deleted file mode 100644
index a5771a9a..00000000
--- a/cmd/falloc/falloc.go
+++ /dev/null
@@ -1,33 +0,0 @@
-package main
-
-import (
-	"runtime"
-	"time"
-	"unsafe"
-
-	"github.com/k0kubun/pp/v3"
-	"github.com/ydnar/wasm-tools-go/wit"
-)
-
-func main() {
-	p := leak()
-	runtime.GC()
-	time.Sleep(time.Second)
-	runtime.GC()
-	res := (*wit.Resolve)(unsafe.Pointer(uintptr(p)))
-	pp.Println(res)
-}
-
-func leak() uint {
-	res := alloc[wit.Resolve]()
-	res.Worlds = make([]*wit.World, 3)
-	pp.Println(res)
-	return uint(uintptr(unsafe.Pointer(res)))
-}
-
-func alloc[T any]() *T {
-	var v T
-	b := make([]byte, unsafe.Sizeof(v))
-	p := unsafe.Pointer(unsafe.SliceData(b))
-	return (*T)(p)
-}